BabawaleEsthee BabawaleEsthee
  • 28-07-2018
  • Mathematics
contestada

5x+2y=2,2x+3y=-8 solve the simultaneous equation

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mathecoach
mathecoach mathecoach
  • 28-07-2018

5x + 2y = 2 --> y = 1 - 2.5x

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2x + 3(1 - 2.5x) = -8

2x + 3 - 7.5x = -8

- 5.5x = -11

x = 2

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y = 1 - 2.5(2) = 1 - 5 = -4

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